| CPC H04W 4/023 (2013.01) [H04W 4/029 (2018.02); H04W 4/70 (2018.02); G06Q 50/40 (2024.01)] | 20 Claims |

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1. A method of a user terminal, the method comprising:
selecting two gates from among a plurality of gates, based on location information of the plurality of gates and location information of the user terminal;
identifying whether the user terminal enters a radio access area, based on a value of an included angle between the two gates and the user terminal;
in response to the user terminal being in the radio access area, selecting a first gate to perform radio access from among the two gates; and
transmitting, to the first gate, a first request or a second request based on identification of whether the user terminal has passed the two gates,
wherein the first request is for approving authentication or payment, and the second request is for cancelling the authentication or the payment.
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